Download PDFOpen PDF in browserA Comparison of Mass Timber Perceptions Among Construction Professionals Over Time10 pages•Published: July 23, 2025AbstractMass timber, including products such as cross-laminated timber (CLT) and glue-laminated timber (glulam), is gaining attention as a sustainable alternative to traditional steel and concrete, offering benefits such as reduced carbon emissions and enhanced aesthetic appeal. However, despite its advantages, mass timber adoption faces significant challenges, including high costs, limited practitioner experience, and unique material protection requirements. This study investigates the evolving awareness, benefits, and challenges associated with mass timber construction among U.S. construction professionals. Through a survey of over 100 construction practitioners, primarily from Cal Poly’s Construction Management Advisory Council (CMAC) in California, this study provides updated insights on industry perceptions, particularly in comparison to Ahmed’s 2022 research on mass timber awareness. Findings reveal an increase in contractors’ exposure and experience with mass timber, with 67% of respondents reporting involvement in mass timber projects—a notable 22% rise since 2022. Key challenges identified include the cost of materials, limited practitioner experience, and a new concern with material protection against environmental factors, which can impact both structural integrity and aesthetic quality. By examining these perceptions and comparing them with previous data, the study highlights critical trends, informs on evolving industry challenges, and underscores the importance of continued development in mass timber practices to enhance adoption and reduce barriers.Keyphrases: challenge, construction industry, industry perception, mass timber, survey In: Wesley Collins, Anthony J. Perrenoud and John Posillico (editors). Proceedings of Associated Schools of Construction 61st Annual International Conference, vol 6, pages 756-765.
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